52075f01a7
Moving `threads` request to structured types. Adding helper types for this and moving helpers from JSONUtils to ProtocolUtils. --------- Co-authored-by: Ebuka Ezike <yerimyah1@gmail.com> Co-authored-by: Jonas Devlieghere <jonas@devlieghere.com>
53 lines
1.8 KiB
C++
53 lines
1.8 KiB
C++
//===-- ThreadsRequestHandler.cpp -----------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "DAP.h"
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#include "EventHelper.h"
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#include "Protocol/ProtocolRequests.h"
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#include "ProtocolUtils.h"
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#include "RequestHandler.h"
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#include "lldb/API/SBDebugger.h"
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#include "lldb/API/SBDefines.h"
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#include "llvm/Support/Error.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace llvm;
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using namespace lldb_dap::protocol;
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namespace lldb_dap {
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/// The request retrieves a list of all threads.
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Expected<ThreadsResponseBody>
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ThreadsRequestHandler::Run(const ThreadsArguments &) const {
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lldb::SBProcess process = dap.target.GetProcess();
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std::vector<Thread> threads;
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// Client requests the baseline of currently existing threads after
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// a successful launch or attach by sending a 'threads' request
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// right after receiving the configurationDone response.
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// If no thread has reported to the client, it prevents something
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// like the pause request from working in the running state.
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// Return the cache of initial threads as the process might have resumed
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if (!dap.initial_thread_list.empty()) {
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threads = dap.initial_thread_list;
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dap.initial_thread_list.clear();
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} else {
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if (!lldb::SBDebugger::StateIsStoppedState(process.GetState()))
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return make_error<NotStoppedError>();
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threads = GetThreads(process, dap.thread_format);
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}
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if (threads.size() == 0)
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return make_error<DAPError>("failed to retrieve threads from process");
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return ThreadsResponseBody{threads};
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}
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} // namespace lldb_dap
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